Tek4um.com Cork, Ireland

@Tek4um. by Karl Grabe


 

My Software, Hardware & Mechanical projects (root folder)


 

Recently Completed 2021.06.08:

Remote buzzer for Smoke Alarm & Microcontroller interface.

Featured project on Instructables.

Arduino, Hackster


 


 

Ongoing Projects 2021.05:

Water tank level alarm, Arduino & HC-SR04 ultrasonic sensor

Arduino Controlled home heating

Featured on Hackaday

1977 Yamaha XS 250 restoration


 


 

Completed Projects:

Updated each year

2021.04.17

Philips - Magnavox D2999 PLL Receiver LED Backlight Replace

Disassembly/teardown/reassembly

2021.04.02 Programmable On-Air LED Sign

For online lectures/meetings using sonoff wifi relay

2020

XMAS Arduino Snowflake 3d printed star, RGB LED Pixels, Arduino

2020

Arduino control of 350 Neo Pixel RGB WS2811 LEDS

2018

Alarm Communicator with Arduino GSM shield

2013

30 minute make a Secchi Disk to measure phytoplankton with your smartphone: CorkCoast.com/secchi

2011

Nest Box with cameras

2005

DIY Hydrophone

1995

PIC car Fuel monitor with LCD

1998

Apple Cork & Cupertino 1983-1998 Archive folders

1983

Masters Thesis Microcomputer Controlled Automatic Wafer Test System

Hard to find manuals:

Star Silva M298 VHF Marine Transceiver Swiftech Download pdf scanned Aug 2021


 

Karls Home Page

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